Incandescent gas-light.



PATENTED NOV. 29,1904.

No. 776,433. I

V. H. SLINAGK. INGANDESGENT GASLIGHT.

APPLICATION FILED JUNE 1. 1903.

N0 MODEL.

III I III u ll nu u wanna N0. 776,433. Patented November 29, 1904.

NITED STATES PATENT OFFICE.

VICTOR H. SLINAOK, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO THE PENNSYLVANIA GLOBE GAS LIGHT COMPANY, OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.

INCANDESCENT GAS-LIGHT.

SPECIFICATION forming part of Letters Patent No. 776,433, dated November 29, 1904.

Application filed June 1,1903. Serial No. 159,554. (No model.)

T all whom it y OOH/067%: 8 is a sleeve revolubly mounted on the Beitknown thatLVIoToRH.SLINAcK,aciti burner and provided with openings 9, which zen of the United States, residing in the city of may be alined with the openings, 4 and with Philadelphia, in the county of Philadelphia portions intermediate of these openings 9, 5 and State of Pennsylvania, have invented a which serve to wholly or partially close the new and useful Incandescent Gas-Light, of openings 4. which the following is a specification. is what may be called a floating link, 5 5 Objects of the present invention are, first, to and it is pivoted at one of its ends to the lever prevent flashing back and undue explosions 6 and at the other of its ends to a pivoted to when the gas is turned on and lighted, and, arm 11. This link is provided with a pin 12, second, to prevent the ingress of insects when which engages a groove in the sleeve. As the gas is extinguished; and these objects are shown, this groove is inclined; but its parts accomplished by closing the air-shutter when 13 and 14 are inclined at different angles for gas is turned off and by causing the opening a purpose to be presently described. I5 of the shutter when gas is turned on in such In use the plug-valve 5 is turned so as to a Way that comparatively little air is admitted admit gas, which may be lighted at the until the gas is lighted, or, more generally burner-for example, by means of the climb- 5 stated, by causing the opening of the pluginglighterl5. As thegasis thusadmitted the valve, whichadmits gas to be lighted to also link 10, operating by its pin 12, serves to turn 20 open the air-shutter, as well as by the means the sleeve 8, and thus to bring its openings 9 hereinafter described and claimed. into alinement with the openings 1, or, in other The nature, characteristic features, and words, to open the air-shutter. Since thein- 7 scope of my invention will be more fully unclination of the part13is comparatively slight, derstood from thefollowingdescription, taken as shown in the drawings, the air-shutter is 5 in connection with the accompanying drawopened comparatively little, while the plugings, forming part hereof, and in which valve is opened comparatively wide. The

Figure 1 is an elevational view, partly in eifectoi' this is to present to the burner a presection,of an incandescent gas-light embodyponderance of gas over air at the time of ing features of the invention; and Figs. 2 and lighting and in respect to the ordinary mix- 3 3 are views, partly in section and partly in ture of gas and air. This is important, be-

elevation, illustrating the relation of the cause such a mixture lights without undue movements of the parts of the device shown explosion, due to what is called flashing in Fig. 1. back or other causes, and the absence of In the drawings, 1 is the gas and air mixsuch explosive lighting tends to prolong the 35 ing tube, which is fitted with what is usually life of the mantle, and of course when the called a gas-check]? The radially-arranged light has flashed back it does not properly screw 2 is an illustration of such a gas-check, heat the mantle. The final opening of the 5 and it constitutes the subject-matter of my plug-valve 5 occurs after the burneris lighted, application for a patent serially numbered and during the small motion necessary to 4 146,27 5. This gas and air mixing tube 1 is effect it the pin 12 traverses the portion 14 of also provided with a burner 3 and with airthe groove, and the latter causes the sleeve inlets 4. to be turned rapidly. Thus in the best em- 9 5 is the plug-valve, which serves to turn the bodiment of the invention the air-shutter is supply of gas onto the burner, so that it may opened slightly and admits comparatively 45 be lighted, and off from the burner to extinlittle air until after the supply of gas has been guish it. It is shown as provided with an lighted, whereupon it opens rapidly and adoperating-lever 6, having 'an automatic lockmits suiiicient air to establish the normal mixing-lever 7 ture. When the plug-valve is turned so as to extinguish the burner by cutting oflt its supply of gas, the pin 12 operates to turn the sleeve and close the openings 4. This prevents the ingress of insects when the burner is not lighted,which is of course advantageous in outdoor lighting. The movements of the sleeve 8 are not intended to regulate the normal mixture of air and gas which is supplied after the burner has been lighted. This result is accomplished by means of the part 2 and of the second sleeve 16, carried upon the sleeve 8 and itself provided with openings which may be adjusted so as to more or less coincide with the openings 9, and therefore change their effective size. This sleeve 16 when once adjusted to produce the proper mixture for supplying the lighted burner is not interfered with by the movements of the sleeve 8.

The described device is adapted to employ high-pressure gas and to produce high candlepower, so that its construction is quite different from ordinary low-candle-power low-pressure burners. The openings in the cap 3 are comparatively large, which is advantageous, because they do not tend to clog, since objects and particles drawn into the mixing-tube by the suction of the high pressure gas pass through them. Since these openings are large, there would be danger when the climbing lighter is employed of flash-backs; but the described control of the admission of air in relation to gas at the time of ignition prevents their occurrence. The described burner is universal in that it may be employed on any make or pressure of gas.

It will be obvious to those skilled in the art to which my invention appertains that modifications may be made in detail without departing from the spirit thereof. Hence I do not limit myself to the precise construction and arrangement of parts hereinabove set forth, and illustrated in the accompanying drawings; but,

lever and engaging an inclined groove in the shutter, substantially as described.

2. In an incandescent gas-light the combination of a plug-valve having operating-levers, a link pivotally connected with the lever, a rotatable air-shutter, and a pin-and-inclinedgroove connection between the link and airshutter, substantially as described.

3. In an incandescent gas-light the combination of a plug-valve for turning on and off the gas, an air-shutter, means connected with the air-shutter and plug-valve for opening the former when the latter is turned on and for closing it when the latter is turned off, andv means independent of said mechanism for permitting of manual adjustments of the gas and air mixture, substantially as described.

4:. In an incandescent gas-light the combination of a plug for turning on and off the gas, an air-shutter, and differential mechanism operatively connected with the valve and shutter whereby when the valve is opened the opening of the shutter lags so that the supply of air is limited until after the gas is lighted thus avoiding flashing back and undue explosions.

5. In an incandescent gas-light the combination of a plug-valve for turning on and 05 the gas, a rotatable sleeve constituting part of the airshutter. and a pin and a groove of irregular inclination interposed between the two to impart diflerential motion to the sleeve, substantially as described.

6. A high-pressure and high-candle-power universal burner comprising the combination of an air and gas mixing tube have comparatively large ignition-openings at its top and air-openings at its base, a climbing lighter to which gas is momentarily admitted to light the burner, and means for restricting the admission of air in relation to the admission of gas while the climbing lighter is in operation whereby flash-backs are obviated, substantially as described.

In testimony whereofI have hereunto signed my name.

vrcroa H. SLINAGK.

Witnesses:

WV. J. JAcKsoN, K. M. GILLIGAN. 

